Simple surface 2 channel RC transmitter. The hardware includes nRF24L01+ transceiver and ATmega328P processor with an OLED screen. The code is Arduino and contains only the necessary functions of ...
The I2CKeyPad8x8 library implements the reading of a 8x8 keypad by means of a PCF8575. Smaller keypads, meaning less columns or rows (e.g. 5x4) can be read with it too. Sometimes you need to control ...